Case for an electronic device



FIG. 1 is a bottom front perspective view of a case for an electronic device showing the claimed design;

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a bottom rear perspective view thereof;

FIG. 4 is a top rear perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof. 

CLAIM The ornamental design for a case for an electronic device, as shown. 